Justin Bieber Celebrates 20th Birthday With Cake

Justin Bieber has celebrated leaving his teenage years behind him by blowing out the candles on a custom-iced cake.

The controversial young pop star, who reached 20 yesterday, has not revealed exactly what he did to celebrate - but did retweet congratulations from pals such as Carly Rae Jepsen and manager Scooter Braun.

Don't do it to meDon't do it to meOh no no, oh no noDon't do it to meDon't do it to meOh no no, oh no no

Focused, I'm focusedShe got a body like thatI ain't never seen nothing like thatLike a fantasy in front of meI think that something special is going downThat's right I think she foreignThink she foreign, got passportsMi amor started slow, got fasterShe gon' work some more, work some moreNo stopping her now, no stopping her now

Then she started dancing, sexual romancingNasty but she fancy, lipstick on my satin sheetsWhat's your nationality? I wonder if there's more of youShe's got my attention, she's confident

Oh no no, oh no noShe's confidentOh no no, oh no noAnd I'm down with itOh no no, oh no noShe's confidentYou could tell by the way she walks in the room

She said it's her first timeI think she might have liedFeels so good damn, and I don't know whyI'm addicted, something like an addictGot me twisted, but still I gotta have itExplosive, explosive (I could still smell her perfume)It's not hard to notice, that I'm openHypnotized by the way she moves

Then she started dancing, sexual romancingNasty but she fancy, lipstick on my satin sheetsWhat's your nationality? I wonder if there's more of youShe's got my attention, she's confident

Oh no no, oh no noShe's confidentOh no no, oh no noAnd I'm down with itOh no no, oh no noShe's confidentYou could tell by the way she walks in the room

She said it's her first timeI think she might have liedFeels so good damn, and I don't know whyI'm addicted, something like a headacheGot me twisted, but still I gotta have it (Chance, the Rapper?)

Tattoos, piercings and she just learned to twerkShe ain't gotta heart or a ass, just her brains, gotta ask cause her ass on a learning curveAnd she love to earn the verb, I mean burn the wordThat's only legal with a doctors noteReal deep pockets like a doctors clothesStay fitted like Diddy, hair back tryna rock the boatShe the first mate wanna rock the boatShe never forget to ride like a bicycleShe like planes, trains, chains with iciclesIt goes her, blank, blank, and rock & rollShe say "I know, honey bunny that's a funny thing"Watch her twerk for a goodfellaShe money dance with the money teamIGH!

Oh no no, oh no noShe's confidentOh no no, oh no noAnd I'm down with itOh no no, oh no noShe's confidentYou could tell by the way she walks in the room

She said it's her first timeI think she might have liedFeels so good damn, and I don't know whyI'm addicted, something like a headacheGot me twisted, but still I gotta have it

Still I gotta have itStill I gotta have itStill I gotta have itOh no no, oh no noOh no no, oh no noOh no no, oh no noOh no no, oh no noBut still I gotta have it